Github user gvramana commented on a diff in the pull request: https://github.com/apache/carbondata/pull/1061#discussion_r126134812 --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/filesystem/AbstractDFSCarbonFile.java --- @@ -124,6 +128,90 @@ public boolean renameTo(String changetoName) { } } + @Override public boolean renameForce(String changetoName) { + FileSystem fs; + try { + fs = fileStatus.getPath().getFileSystem(FileFactory.getConfiguration()); + if (fs instanceof DistributedFileSystem) { + ((DistributedFileSystem) fs).rename(fileStatus.getPath(), new Path(changetoName), + org.apache.hadoop.fs.Options.Rename.OVERWRITE); + return true; + } else if (fs instanceof ViewFileSystem) { + fs.delete(new Path(changetoName), true); + fs.rename(fileStatus.getPath(), new Path(changetoName)); + return true; + } else { + return false; + } + } catch (IOException e) { + LOGGER.error("Exception occured" + e.getMessage()); + return false; + } + } + + public CarbonFile[] getFiles(FileStatus[] listStatus, FileFactory.FileType fileType) { + if (listStatus == null) { + return new CarbonFile[0]; + } + CarbonFile[] files = new CarbonFile[listStatus.length]; + if (fileType.equals(FileFactory.FileType.HDFS)) { + for (int i = 0; i < files.length; i++) { + files[i] = new HDFSCarbonFile(listStatus[i]); + } + } else if (fileType.equals(FileFactory.FileType.VIEWFS)) { + for (int i = 0; i < files.length; i++) { + files[i] = new ViewFSCarbonFile(listStatus[i]); + } + } + return files; + } + + public CarbonFile[] listFiles(FileFactory.FileType fileType) { + FileStatus[] listStatus = null; + try { + if (null != fileStatus && fileStatus.isDirectory()) { + Path path = fileStatus.getPath(); + listStatus = path.getFileSystem(FileFactory.getConfiguration()).listStatus(path); + } else { + return new CarbonFile[0]; + } + } catch (IOException ex) { + LOGGER.error("Exception occured" + ex.getMessage()); + return new CarbonFile[0]; + } + return getFiles(listStatus, fileType); + } + + @Override public CarbonFile[] listFiles(final CarbonFileFilter fileFilter) { + CarbonFile[] files = listFiles(); + if (files != null && files.length >= 1) { + List<CarbonFile> fileList = new ArrayList<CarbonFile>(files.length); + for (int i = 0; i < files.length; i++) { + if (fileFilter.accept(files[i])) { + fileList.add(files[i]); + } + } + if (fileList.size() >= 1) { + return fileList.toArray(new CarbonFile[fileList.size()]); + } else { + return new CarbonFile[0]; + } + } + return files; + } + + public CarbonFile getParentFile(FileFactory.FileType fileType) { --- End diff -- Have to use factory method, cannot use switchcase
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